All of these are interesting, but ultimately fall down on the same point: spam "bots" harvesting emails aren't always programs anymore. One could write a pretty

All of these are interesting, but ultimately fall down on the same point: spam "bots" harvesting emails aren't always programs anymore. One could write a pretty straightforward program that grabs all the bits of webpages that look email-like (techniques like these would make them EASIER to ID) and then gets them read by people with a Mechanical Turk-style process.